Numbers and Strings
This part of the tutorial covers numbers with primitive types and wrapper classes, and string of characters.
Using numbers with primitive types and wrapper types, formatting numbers and using mathematical functions.
Using characters, understanding char values and code point values.
Creating strings of characters, exploring the String class to manipulate strings.
Using string builders to create strings of characters.
Autoboxing and Unboxing
Understanding the automatic conversion between primitive types and their corresponding wrapper types.